AD9634 Analog Devices, AD9634 Datasheet - Page 13

• Manufacturer Part Number: AD9634
• Description: 12-Bit, 170 MSPS/210 MSPS/250 MSPS, 1.8 V Analog-to-Digital Converter
• Manufacturer: Analog Devices

Specifications of AD9634

• Resolution (bits): 12bit
• # Chan: 1
• Sample Rate: 250MSPS
• Interface: LVDS
• Analog Input Type: Diff-Uni
• Ain Range: 1.75 V p-p
• Adc Architecture: Pipelined
• Pkg Type: CSP

Figure 12. AD9634-170 Two-Tone FFT with f
Figure 10. AD9634-170 Two-Tone SFDR/IMD3 vs. Input Amplitude (A
Figure 11. AD9634-170 Two-Tone SFDR/IMD3 vs. Input Amplitude (A
–100
–120
–100
–120
–100
–120
–140
–20
–40
–60
–80
–20
–40
–60
–80
–20
–40
–60
–80
–90.0 –81.7 –73.4 –65.1 –56.8 –48.5 –40.2 –31.9 –23.6 –15.3 –7.0
–90.0 –81.7 –73.4 –65.1 –56.8 –48.5 –40.2 –31.9 –23.6 –15.3 –7.0
0
0
0
with f
0
170MSPS
89.12MHz @ –7.0dBFS
92.12MHz @ –7.0dBFS
SFDR = 89dBc (96dBFS)
f
IN1
IN1
10
= 89.12 MHz, f
= 184.12 MHz, f
IMD3 (dBc)
IMD3 (dBc)
SFDR (dBFS)
SFDR (dBFS)
IMD3 (dBFS)
IMD3 (dBFS)
20
INPUT AMPLITUDE (dBFS)
INPUT AMPLITUDE (dBFS)
SFDR (dBc)
SFDR (dBc)
30
FREQUENCY (MHz)
IN2
IN2
= 92.12 MHz, f
= 187.12 MHz, f
40
IN1
50
= 89.12 MHz, f
S
= 170 MSPS
60
S
= 170 MSPS
70
IN2
= 92.12 MHz
80
IN
) with
IN
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)
Figure 13. AD9634-170 Two Tone FFT with f
Figure 14. AD9634-170 Single-Tone SNR/SFDR vs. Sample Rate (f
Figure 15. AD9634-170 Grounded Input Histogram, f
14000
12000
10000
–100
–120
–140
8000
6000
4000
2000
100
–20
–40
–60
–80
95
90
85
80
75
70
65
0
0
40
0
0.531 LSB rms
16,384 TOTAL HITS
50
10
60
70
20
N – 1
80
SAMPLE RATE (MSPS)
with f
30
FREQUENCY (MHz)
90 100 110 120 130 140 150 160 170
OUTPUT CODE
SFDR
IN
SNR
= 90 MHz
40
N
IN1
50
= 184.12 MHz, f
170MSPS
184.12MHz @ –7.0dBFS
187.12MHz @ –7.0dBFS
SFDR = 85dBc (92dBFS)
N + 1
60
S
70
= 170 MSPS
IN2
AD9634
= 187.12 MHz
8
0
S
)